A stopper device

Abstract

This utility model discloses a stopper-filling device, including a lifting component and a stopper-filling component. The lifting component has a first suction channel, and the stopper-filling component has a second suction channel to suck up the rubber stopper and fill it into the container. The stopper-filling component is sleeved with the lower end of the lifting component and can move relative to it. The stopper-filling component has a sealing component, which can drive the sealing component to seal the first suction channel during stopper filling. The first and second suction channels are connected and a vacuum is drawn, which can be used to suck up the rubber stopper. Then, the lifting component drives the stopper-filling component to gradually descend, pressing the rubber stopper into the container opening. At this time, the stopper-filling component will rise relative to the lifting component, and the sealing component will rise simultaneously until it is tightly against the lower end of the first suction channel, completing the sealing of the first suction channel. The stopper-filling component continues to press down until the stopper filling process is completed. During this process, since the second suction channel is no longer connected to the first suction channel, it helps to prevent the liquid medicine in the container from being sucked into the second suction channel.

Description

Technical Field

[0001] This utility model relates to the field of food and pharmaceutical packaging equipment technology, and in particular to a stoppering device. Background Technology

[0002] After some types of eye drops are filled, when the stopper is put on, the negative pressure inside the vacuum stopper head will draw a small amount of the medicine back into the vacuum line. This will affect the amount of medicine in the bottle and may also cause the vacuum line to be contaminated by the medicine. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a stopper device with a simple structure that helps prevent backflow of medicine.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A stopper-adding device includes a lifting component and a stopper-suction component. The lifting component has a first suction channel, and the stopper-suction component has a second suction channel to suck up rubber stoppers and add them to a filled container. The stopper-suction component is sleeved with the lower end of the lifting component and can move relative to it. The stopper-suction component has a sealing element, and the stopper-suction component can drive the sealing element to block the first suction channel when adding the stopper.

[0006] As a further improvement to the above technical solution: the lower end of the first suction channel is provided with a receiving cavity, the upper end of the second suction channel is provided with a mounting part, the mounting part is located in the receiving cavity, the sealing member is provided in the mounting part, and the receiving cavity and the second suction channel are connected through the mounting part.

[0007] As a further improvement to the above technical solution: the sealing component has a boss on its lower side, and the boss is embedded in the mounting part.

[0008] As a further improvement to the above technical solution: the lower end of the lifting component is provided with a limiting member, the inner side of the limiting member is provided with a first limiting flange, the outer periphery of the upper end of the suction plug component is provided with a second limiting flange, the second limiting flange is located above the first limiting flange and its outer diameter is larger than the inner diameter of the first limiting flange.

[0009] As a further improvement to the above technical solution: an elastic element is sleeved on the outer periphery of the lifting component, and the elastic element abuts against the second limiting flange.

[0010] As a further improvement to the above technical solution: the elastic element is a wave spring.

[0011] As a further improvement to the above technical solution: the lower end of the suction plug component is provided with a rubber plug positioning cavity, which is connected to the second suction channel.

[0012] As a further improvement to the above technical solution: there is a gap between the rubber stopper positioning cavity and the rubber stopper.

[0013] As a further improvement to the above technical solution: the suction plug component is also provided with a vacuum breaking channel, which is connected to the second suction channel.

[0014] As a further improvement to the above technical solution: the container is provided with adsorption positioning components on its sides and / or bottom.

[0015] Compared with the prior art, the advantages of this utility model are:

[0016] The stoppering device disclosed in this utility model, during operation, connects the first and second suction channels and creates a vacuum, allowing the stoppering component to use negative pressure to draw in the rubber stopper. Then, the lifting component drives the stoppering component to gradually descend, pressing the rubber stopper into the container opening. At this time, under the action of the reverse force generated by the container, the stoppering component will rise relative to the lifting component, and the sealing component will rise simultaneously until it is tightly attached to the lower end of the first suction channel, completing the sealing of the first suction channel. The first and second suction channels are then disconnected. The stoppering component continues to press down until the rubber stopper is completely pressed into the container opening, completing the stoppering process. During this process, since the second suction channel is no longer connected to the first suction channel, it helps to prevent the liquid medicine in the container from being sucked into the second suction channel. The structure is reasonable and effective.

[0017] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0018] Figure 1 This is a cross-sectional structural schematic diagram of the inserting device of this utility model.

[0019] Figure 2 This is a cross-sectional view of the insert device of this utility model after the elastic element is hidden.

[0020] The labels in the diagram represent:

[0021] 1. Lifting component; 11. Receiving cavity; 12. First suction channel; 2. Suction plug component; 21. Second suction channel; 22. Mounting part; 23. Second limiting flange; 24. Rubber plug positioning cavity; 3. Sealing component; 31. Boss part; 4. Limiting component; 41. First limiting flange; 5. Elastic component; 61. Rubber plug; 62. Container; 7. Adsorption positioning component. Detailed Implementation

[0022] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0024] In this utility model, unless otherwise explicitly specified and limited, the terms "assembly," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] Figures 1 to 2 This invention illustrates one embodiment of the stopper-filling device. The device includes a lifting component 1 and a suction component 2. The lifting component 1 has a first suction channel 12, and the suction component 2 has a second suction channel 21 to draw in the rubber stopper 61 and insert it into the filled container 62 (e.g., various types of bottles). The suction component 2 is sleeved with the lower end of the lifting component 1 and can move relative to it. The suction component 2 has a sealing component 3, which can drive the sealing component 3 (e.g., a sealing gasket, sealing block, etc., made of rubber or silicone) to seal the first suction channel 12 during stopper filling. The lifting mechanism of the lifting component 1 and the vacuum principle of the first suction channel 12 are existing technologies, such as CN205802920U and the applicant's earlier application CN109720864A, etc. Specific structural details are not elaborated here.

[0027] In this embodiment, when the stopper device is in operation, the first suction channel 12 and the second suction channel 21 are connected and a vacuum is drawn, so that the stopper suction component 2 can use negative pressure to suck up the rubber stopper 61. Then, the lifting component 1 drives the stopper suction component 2 to gradually descend and press the rubber stopper 61 into the opening of the container 62. At this time, under the action of the reverse force generated by the container 62, the suction plug component 2 will rise relative to the lifting component 1, and the sealing component 3 will rise synchronously until it is tightly attached to the lower end of the first suction channel 12, thus completing the sealing of the first suction channel 12. The first suction channel 12 and the second suction channel 21 are disconnected, and the first suction channel 12 can no longer continue to evacuate the second suction channel 21 (since the rubber stopper 61 has been initially pressed into the opening of the container 62, it is no longer necessary to maintain the adsorption of the rubber stopper 61 through vacuum). The suction plug component 2 continues to press down until the rubber stopper 61 is completely pressed into the opening of the container 62 to complete the plugging process. During this process, since the second suction channel 21 is no longer connected to the first suction channel 12, it is beneficial to prevent the medicine in the container 62 from being sucked into the second suction channel 21. The structure is reasonable and effective.

[0028] Furthermore, in this embodiment, the lower end of the first suction channel 12 is provided with a receiving cavity 11, and the upper end of the second suction channel 21 is provided with a mounting part 22. The mounting part 22 is located inside the receiving cavity 11, and the sealing member 3 is disposed in the mounting part 22. The receiving cavity 11 and the second suction channel 21 are connected through the mounting part 22. See details. Figure 2 At this time, the first suction channel 12, the receiving cavity 11, the mounting part 22, and the second suction channel 21 remain connected, and the second suction channel 21 can hold the absorbent plug 61. When the sealing member 3 moves upward relative to the first suction channel 12 in the receiving cavity 11 until it fits against the lower end of the first suction channel 12, the first suction channel 12 and the second suction channel 21 are disconnected. This structure is beneficial for achieving reliable sealing of the first suction channel 12 by the sealing member 3. The mounting part 22 can be a cylindrical structure with openings, grooves, etc. on the side wall to connect the receiving cavity 11 and the second suction channel 21. Alternatively, the mounting part 22 can be multiple protrusions arranged around the second suction channel 21, with intervals between adjacent protrusions, for connecting the receiving cavity 11 and the second suction channel 21.

[0029] Furthermore, in this embodiment, the sealing member 3 has a boss 31 on its lower side, which is embedded in the mounting part 22. This helps to improve the stability of the sealing member 3 on the mounting part 22 and prevent it from falling off. The structure is simple and effective.

[0030] Furthermore, in this embodiment, the lower end of the lifting component 1 is provided with a limiting member 4, and the inner side of the limiting member 4 is provided with a first limiting flange 41. The upper outer periphery of the suction plug component 2 is provided with a second limiting flange 23, which is located above the first limiting flange 41 and has an outer diameter larger than the inner diameter of the first limiting flange 41. The cooperation between the first limiting flange 41 and the second limiting flange 23 prevents the suction plug component 2 from separating from the lifting component 1, resulting in a simple and effective structure. Preferably, the limiting member 4 and the lifting component 1 are connected by a thread for easy assembly and disassembly.

[0031] Furthermore, in this embodiment, an elastic element 5 is sleeved on the outer periphery of the lifting component 1, and the elastic element 5 abuts against the second limiting flange 23. Through the elastic force applied to the second limiting flange 23 by the elastic element 5, the suction plug component 2 can remain extended before plugging, and automatically reset after plugging, creating a gap between the sealing component 3 and the first suction channel 12. This design is simple and reliable. During plugging, the suction plug component 2 overcomes the elastic force of the elastic element 5 and can rise relative to the lifting component 1.

[0032] In a preferred embodiment, the elastic element 5 is a wave spring, which has a compact structure and occupies little space. Of course, in other embodiments, it can also be a helical spring, etc.

[0033] Furthermore, in this embodiment, the lower end of the suction plug component 2 is provided with a rubber plug positioning cavity 24, which is connected to the second suction channel 21. When the second suction channel 21 suctions, it can generate a negative pressure in the rubber plug positioning cavity 24, thereby sucking the rubber plug 61 into the rubber plug positioning cavity 24 and positioning it for subsequent plugging.

[0034] In a preferred embodiment, a gap (not shown in the figure) exists between the rubber stopper positioning cavity 24 and the rubber stopper 61. When the second suction channel 21 is disconnected from the first suction channel 12, air from the external environment can enter the second suction channel 21 through this gap, thereby disrupting the vacuum environment inside the second suction channel 21 and further preventing the medicine from being drawn into the second suction channel 21.

[0035] Of course, in other embodiments, the suction plug component 2 may also be provided with a vacuum breaking channel (not shown in the figure, for example, a micropore is opened in the suction plug component 2), which is connected to the second suction channel 21. When the second suction channel 21 is disconnected from the first suction channel 12, air in the external environment can enter the second suction channel 21 through the vacuum breaking channel, thereby breaking the vacuum environment in the second suction channel 21 and further preventing the drug liquid from being sucked into the second suction channel 21.

[0036] See details Figure 1In this embodiment, the container 62 is provided with an adsorption positioning component 7 (such as a vacuum suction cup or a suction nozzle) on its side. The adsorption positioning component 7 can be used to adsorb the container 62, which can keep the container 62 in an accurate position and also prevent the container 62 from being lifted when the suction component 2 separates from the rubber stopper 61 after the stopper is inserted. Of course, in other embodiments, the adsorption positioning component 7 can also be provided at the bottom of the container 62, or the adsorption positioning component 7 can be provided on both the side and the bottom of the container 62.

[0037] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make many possible variations and modifications to the present invention, or modify it into equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention, without departing from the content of the present invention, should fall within the protection scope of the present invention.

Claims

1. A stopper applicator, comprising a lifting component (1) and a stopper suction component (2), wherein the lifting component (1) is provided with a first suction channel (12) and the stopper suction component (2) is provided with a second suction channel (21) to suck up a rubber stopper (61) and insert it into a filled container (62), characterized in that: The suction plug component (2) is sleeved with the lower end of the lifting component (1) and can move relative to it. The suction plug component (2) is provided with a sealing component (3). The suction plug component (2) can drive the sealing component (3) to block the first suction channel (12) when plugging.

2. The capping device of claim 1, wherein: The first suction channel (12) has a receiving cavity (11) at its lower end, and the second suction channel (21) has an installation part (22) at its upper end. The installation part (22) is located inside the receiving cavity (11), and the sealing member (3) is located in the installation part (22). The receiving cavity (11) and the second suction channel (21) are connected through the installation part (22).

3. The capping device of claim 2, wherein: The sealing component (3) has a boss (31) on its lower side, and the boss (31) is embedded in the mounting part (22).

4. The capping device according to any one of claims 1 to 3, wherein: The lower end of the lifting component (1) is provided with a limiting component (4), the inner side of the limiting component (4) is provided with a first limiting flange (41), the outer periphery of the upper end of the suction plug component (2) is provided with a second limiting flange (23), the second limiting flange (23) is located above the first limiting flange (41) and its outer diameter is larger than the inner diameter of the first limiting flange (41).

5. The capping device of claim 4, wherein: The lifting component (1) is fitted with an elastic element (5) on its outer periphery, and the elastic element (5) abuts against the second limiting flange (23).

6. The capping device of claim 5, wherein: The elastic element (5) is a wave spring.

7. The capping device according to any one of claims 1 to 3, wherein: The lower end of the suction plug component (2) is provided with a rubber plug positioning cavity (24), which is connected to the second suction channel (21).

8. The capping device of claim 7, wherein: There is a gap between the rubber stopper positioning cavity (24) and the rubber stopper (61).

9. The capping device according to any one of claims 1 to 3, wherein: The suction plug component (2) is also provided with a vacuum breaking channel, which is connected to the second suction channel (21).

10. The capping device according to any one of claims 1 to 3, wherein: The container (62) is provided with an adsorption positioning component (7) on its side and / or bottom.

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